PipeWire  0.3.82
src/pipewire/utils.h
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1 /* PipeWire */
2 /* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
3 /* SPDX-License-Identifier: MIT */
4 
5 #ifndef PIPEWIRE_UTILS_H
6 #define PIPEWIRE_UTILS_H
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
12 #include <stdlib.h>
13 #include <string.h>
14 #include <sys/un.h>
15 #ifndef _POSIX_C_SOURCE
16 # include <sys/mount.h>
17 #endif
18 #include <errno.h>
19 
20 #ifndef ENODATA
21 #define ENODATA 9919
22 #endif
23 
24 #include <spa/utils/defs.h>
25 #include <spa/pod/pod.h>
26 
38 typedef void (*pw_destroy_t) (void *object);
39 
40 const char *
41 pw_split_walk(const char *str, const char *delimiter, size_t *len, const char **state);
42 
43 char **
44 pw_split_strv(const char *str, const char *delimiter, int max_tokens, int *n_tokens);
45 
46 int
47 pw_split_ip(char *str, const char *delimiter, int max_tokens, char *tokens[]);
48 
49 void
50 pw_free_strv(char **str);
51 
52 char *
53 pw_strip(char *str, const char *whitespace);
54 
55 #if !defined(strndupa)
56 # define strndupa(s, n) \
57  ({ \
58  const char *__old = (s); \
59  size_t __len = strnlen(__old, (n)); \
60  char *__new = (char *) __builtin_alloca(__len + 1); \
61  memcpy(__new, __old, __len); \
62  __new[__len] = '\0'; \
63  __new; \
64  })
65 #endif
66 
67 #if !defined(strdupa)
68 # define strdupa(s) \
69  ({ \
70  const char *__old = (s); \
71  size_t __len = strlen(__old) + 1; \
72  char *__new = (char *) alloca(__len); \
73  (char *) memcpy(__new, __old, __len); \
74  })
75 #endif
76 
78 ssize_t pw_getrandom(void *buf, size_t buflen, unsigned int flags);
79 
80 void pw_random(void *buf, size_t buflen);
81 
82 #define pw_rand32() ({ uint32_t val; pw_random(&val, sizeof(val)); val; })
83 
84 void* pw_reallocarray(void *ptr, size_t nmemb, size_t size);
85 
86 #ifdef PW_ENABLE_DEPRECATED
87 #define PW_DEPRECATED(v) (v)
88 #else
89 #define PW_DEPRECATED(v) ({ __typeof__(v) _v SPA_DEPRECATED = (v); (void)_v; (v); })
90 #endif /* PW_ENABLE_DEPRECATED */
91 
96 #ifdef __cplusplus
97 } /* extern "C" */
98 #endif
99 
100 #endif /* PIPEWIRE_UTILS_H */
spa/utils/defs.h
void * pw_reallocarray(void *ptr, size_t nmemb, size_t size)
Definition: utils.c:251
void(* pw_destroy_t)(void *object)
a function to destroy an item
Definition: src/pipewire/utils.h:42
char * pw_strip(char *str, const char *whitespace)
Strip all whitespace before and after a string.
Definition: utils.c:140
void pw_random(void *buf, size_t buflen)
Fill a buffer with random data.
Definition: utils.c:219
void pw_free_strv(char **str)
Free a NULL terminated array of strings.
Definition: utils.c:119
int pw_split_ip(char *str, const char *delimiter, int max_tokens, char *tokens[])
Split a string in-place based on delimiters.
Definition: utils.c:93
SPA_WARN_UNUSED_RESULT ssize_t pw_getrandom(void *buf, size_t buflen, unsigned int flags)
Fill a buffer with random data.
Definition: utils.c:192
const char * pw_split_walk(const char *str, const char *delimiter, size_t *len, const char **state)
Split a string based on delimiters.
Definition: utils.c:33
char ** pw_split_strv(const char *str, const char *delimiter, int max_tokens, int *n_tokens)
Split a string based on delimiters.
Definition: utils.c:56
#define SPA_WARN_UNUSED_RESULT
Definition: defs.h:289
spa/pod/pod.h
spa/utils/string.h